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(11)

EP 3 942 749 A2

(12)

(88) Date of publication A3: 04.02.2021 (43) Date of publication: 26.01.2022 Bulletin 2022/04 (21) Application number: 20808851.8 (22) Date of filing: 23.03.2020

(51) International Patent Classification (IPC):  H04L 12/721(2013.01) H04L 12/937(2013.01) H04L 12/733(2013.01) H04L 12/935(2013.01) (52) Cooperative Patent Classification (CPC): H04L 45/028; H04L 69/40; H04L 45/125; H04L 45/28; G06F 13/16 (86) International application number: PCT/US2020/024170 (87) International publication number: WO 2020/236262 (26.11.2020 Gazette 2020/48)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 23.05.2019 US 201962852203 P 23.05.2019 US 201962852273 P 23.05.2019 US 201962852289 P (71) Applicant: Hewlett Packard Enterprise Development LP Houston, TX 77070 (US)

(72) Inventors: BATAINEH, Abdulla M. Ft. Collins, Colorado 80528 (US) FROESE, Edwin L. Ft. Collins, Colorado 80528 (US) ROWETH, Duncan Ft. Collins, Colorado 80528 (US) (74) Representative: Pinney, Matthew David  Marks & Clerk LLP 62-68 Hills Road Cambridge CB2 1LA Cambridge CB2 1LA (GB)